This will choose a random number between 1 and 99. Keep in mind, when doing images, you should stick to a proper format and if you have less than 100 images, and plan on keeping it that way, include one zero in place of the first digit:

01 - 99
001 - 999
0001 - 9999

Now you don't honestly HAVE to follow this, but it prevents errors dramatically. Plus, if you get an error, do you really want to go through and rename a thousand images? :)

I have a 2d matrix with dimension (3, n) called A, I want to calculate the normalization and cross product of two arrays (b,z) (see the code please) for each column (for the first column, then the second one and so on).
the function that I created to find the ...

I'm working in Excel to extract content of a table from a web page and populate Excel sheet cells with it. I'm trying to extract data from a table that gets loaded to a web page after show results method gets called. I have an error that says "Run-time error ...